F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
61/54
F16L 5/02 (2006.01) E02D 27/38 (2006.01) E02D 31/04 (2006.01) E21B 43/013 (2006.01) E21B 43/017 (2006.01)
Patent
CA 1007471
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